feat: enterprise service accounts (BE) (#2806)

https://linear.app/unleash/issue/2-537/back-end-for-service-accounts

Supersedes https://github.com/Unleash/unleash/pull/2731

src/lib/db/user-store.ts

@@ -100,7 +100,7 @@ class UserStore implements IUserStore {
     }
 
     buildSelectUser(q: IUserLookup): any {
-        const query = this.activeUsers();
+        const query = this.activeAll();
         if (q.id) {
             return query.where('id', q.id);
         }
@@ -113,8 +113,17 @@ class UserStore implements IUserStore {
         throw new Error('Can only find users with id, username or email.');
     }
 
+    activeAll(): any {
+        return this.db(TABLE).where({
+            deleted_at: null,
+        });
+    }
+
     activeUsers(): any {
-        return this.db(TABLE).where('deleted_at', null);
+        return this.db(TABLE).where({
+            deleted_at: null,
+            is_service: false,
+        });
     }
 
     async hasUser(idQuery: IUserLookup): Promise<number | undefined> {

src/migrations/20221221144132-service-account-users.js

@@ -0,0 +1,19 @@
+exports.up = function (db, cb) {
+    db.runSql(
+        `
+        ALTER table users
+                ADD COLUMN IF NOT EXISTS is_service boolean DEFAULT false
+        `,
+        cb,
+    );
+};
+
+exports.down = function (db, cb) {
+    db.runSql(
+        `
+        ALTER table users
+                DROP COLUMN is_service
+  `,
+        cb,
+    );
+};

src/server-dev.ts

@@ -41,7 +41,6 @@ process.nextTick(async () => {
                         responseTimeWithAppName: true,
                         variantsPerEnvironment: true,
                         maintenance: false,
-                        serviceAccounts: true,
                     },
                 },
                 authentication: {